Tim Mitchell

Tim Mitchell is a business intelligence consultant, author, and trainer. He has been building data solutions for over 20 years, and is a 13-time recipient of the Microsoft Data Platform MVP award (2010-2022). He is the founder and principal data architect at Tyleris Data Solutions.

Tim has spoken at international and local events including the SQL PASS Summit, SQLBits, SQL Connections, along with dozens of tech fests, code camps, and SQL Saturday events. He is the author of the book The SSIS Catalog: Install, Manage, Secure, and Monitor your Enterprise ETL Infrastructure, coauthor of the book SSIS Design Patterns, and is a contributing author on the charity book project MVP Deep Dives Vol 2.

You can visit his website and blog at TimMitchell.net or follow him on Bluesky at https://bsky.app/profile/tmitch.net.
  • Interests: SQL Server, Data Warehousing, ETL, Data Architecture, Python, Dbt

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Blog Post

SQL Server Temporal Tables

Temporal data storage, which was defined in the ANSI SQL:2011 standard, describes an architecture in which relational databases maintain row-level...

2017-10-19 (first published: )

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Blogs

How to Connect to SQL Server When Nothing Else Works – DAC

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It's 2 AM. Your phone is going off. Users can't connect to the application,...

Get a Range of Sequence Values: #SQLNewBlogger

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I discovered a procedure recently that I wasn’t aware of: sp_sequence_get_range. This post looks...

The Agent Era: When “How do I…?” Replaces “Where do I click?”

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After a year away getting to grips with AI and its application across the...

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Forums

setting an ssis param dynamicaly when the sql agent job runs

By stan

hi i was hoping for a more elegant way of setting a pkg level...

Query compile/runtime issue

By as_1234

I have a plan which in sys.query_store_plan shows: Last_compile_start_time of 2026-04-23 00:13:00.7670000 +00:00 Last_execution_time...

Hiring: Financial SQL Systems Administrator

By Tracy Rivers

Fisher Phillips is looking for a Financial Systems Administrator to help support and improve our financial...

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Question of the Day

Creating a JSON Document II

I want to create a JSON document that contains data from this table: 

TeamID TeamNameCity         YearEstablished
1      Cowboys  Dallas       1960
2      Eagles   Philadelphia 1933
3      Packers  Green Bay    1919
4      Chiefs   Kansas City  1960
If I run this code, what document(s) is/are returned? 
SELECT json_objectagg( n.city : n.TeamName)
FROM dbo.NFLTeams n;

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